Question about 1998 Lexus LS 400
Please forward a diagram showing how to time the 4 o/h cams on the lexus 1 uz-fe engine during re-assembly of cylinder heads
Posted by Anonymous on
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Posted on Jan 02, 2017
with crank pulley white mark on 0 remove both cam pulley covers and verify yellow painted notches are exactly on the T mark cast in the fwd cam bearing housings..IF u find that it ISNT 'in time' then remove tensioner located near crank pulley and very carefully manipulate the L and R cam sprokets to allow belt to removed from cam sprockets only... DoNOT rotate engine without T belt installed .Do NOT turn engine backwards.. ever.. be advised that should the cam timing be off by more than 3 teeth either way serious engine damage will result ..this series of engines utilizes variable intake camshaft adjustment .. This job is not for the american small block specialist of yesteryear.. even an experienced asian tech is gonna have a difficult time with this lexus .. its not quite the same engine the Tundra uses...Lexus only mods befuddle reg toyota techs
Posted on Oct 29, 2008
Sorry for the delay.
I am personally going back to answer your unanswered question. I do not know if you still need the answer, but I am going to answer it in case you still do.
Click on the following direct Link. It has the Timing Belt/MARK(S) Diagrams that you will need, complete with Instructional and Directional Diagrams.
Again my apologies...
Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!
Posted on Mar 28, 2010
Tips for a great answer:
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Remove any oil or water on the idler pulley and keep it clean.
If the old timing belt is being reinstalled, make sure the directional arrow is facing in the original direction and that the belt and crankshaft gear matchmarks are properly aligned.
On 2S-ELC engines, make sure that the Matchmark on the oil seal retainer and center hole of the small hole on the camshaft timing pulley are aligned.
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